factorise x²+3x-10 nnznsbsjsllbd
Answer:
Step-by-step explanation:
the 9x9 in cube.
Answer:
I think the answer might be c or b.I hope this helps
To find the mean all you have to do is add all the numbers...
you should get -30
and divide by a number of numbers, there are 6
so -30/6 is -5
12
Square of 13 equals 169
Square of 5 equals 25
169-25= 144
144 square root equals 12